19997669640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{4283}}^1$

素因数の和:4424

約数の個数: 256

約数和(自身を含む): 67105946880

約数和(自身を除く): 47108277240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 41, 52, 60, 65, 73, 78, 82, 104, 120, 123, 130, 146, 156, 164, 195, 205, 219, 246, 260, 292, 312, 328, 365, 390, 410, 438, 492, 520, 533, 584, 615, 730, 780, 820, 876, 949, 984, 1066, 1095, 1230, 1460, 1560, 1599, 1640, 1752, 1898, 2132, 2190, 2460, 2665, 2847, 2920, 2993, 3198, 3796, 4264, 4283, 4380, 4745, 4920, 5330, 5694, 5986, 6396, 7592, 7995, 8566, 8760, 8979, 9490, 10660, 11388, 11972, 12792, 12849, 14235, 14965, 15990, 17132, 17958, 18980, 21320, 21415, 22776, 23944, 25698, 28470, 29930, 31980, 34264, 35916, 37960, 38909, 42830, 44895, 51396, 55679, 56940, 59860, 63960, 64245, 71832, 77818, 85660, 89790, 102792, 111358, 113880, 116727, 119720, 128490, 155636, 167037, 171320, 175603, 179580, 194545, 222716, 233454, 256980, 278395, 311272, 312659, 334074, 351206, 359160, 389090, 445432, 466908, 513960, 526809, 556790, 583635, 625318, 668148, 702412, 778180, 835185, 878015, 933816, 937977, 1053618, 1113580, 1167270, 1250636, 1336296, 1404824, 1556360, 1563295, 1670370, 1756030, 1875954, 2107236, 2227160, 2282839, 2334540, 2501272, 2634045, 3126590, 3340740, 3512060, 3751908, 4064567, 4214472, 4565678, 4669080, 4689885, 5268090, 6253180, 6681480, 6848517, 7024120, 7503816, 8129134, 9131356, 9379770, 10536180, 11414195, 12193701, 12506360, 12819019, 13697034, 16258268, 18262712, 18759540, 20322835, 21072360, 22828390, 24387402, 25638038, 27394068, 32516536, 34242585, 37519080, 38457057, 40645670, 45656780, 48774804, 51276076, 54788136, 60968505, 64095095, 68485170, 76914114, 81291340, 91313560, 97549608, 102552152, 121937010, 128190190, 136970340, 153828228, 162582680, 166647247, 192285285, 243874020, 256380380, 273940680, 307656456, 333294494, 384570570, 487748040, 499941741, 512760760, 666588988, 769141140, 833236235, 999883482, 1333177976, 1538282280, 1666472470, 1999766964, 2499708705, 3332944940, 3999533928, 4999417410, 6665889880, 9998834820, 19997669640]

約数ペア:

[(1, 19997669640), (2, 9998834820), (3, 6665889880), (4, 4999417410), (5, 3999533928), (6, 3332944940), (8, 2499708705), (10, 1999766964), (12, 1666472470), (13, 1538282280), (15, 1333177976), (20, 999883482), (24, 833236235), (26, 769141140), (30, 666588988), (39, 512760760), (40, 499941741), (41, 487748040), (52, 384570570), (60, 333294494), (65, 307656456), (73, 273940680), (78, 256380380), (82, 243874020), (104, 192285285), (120, 166647247), (123, 162582680), (130, 153828228), (146, 136970340), (156, 128190190), (164, 121937010), (195, 102552152), (205, 97549608), (219, 91313560), (246, 81291340), (260, 76914114), (292, 68485170), (312, 64095095), (328, 60968505), (365, 54788136), (390, 51276076), (410, 48774804), (438, 45656780), (492, 40645670), (520, 38457057), (533, 37519080), (584, 34242585), (615, 32516536), (730, 27394068), (780, 25638038), (820, 24387402), (876, 22828390), (949, 21072360), (984, 20322835), (1066, 18759540), (1095, 18262712), (1230, 16258268), (1460, 13697034), (1560, 12819019), (1599, 12506360), (1640, 12193701), (1752, 11414195), (1898, 10536180), (2132, 9379770), (2190, 9131356), (2460, 8129134), (2665, 7503816), (2847, 7024120), (2920, 6848517), (2993, 6681480), (3198, 6253180), (3796, 5268090), (4264, 4689885), (4283, 4669080), (4380, 4565678), (4745, 4214472), (4920, 4064567), (5330, 3751908), (5694, 3512060), (5986, 3340740), (6396, 3126590), (7592, 2634045), (7995, 2501272), (8566, 2334540), (8760, 2282839), (8979, 2227160), (9490, 2107236), (10660, 1875954), (11388, 1756030), (11972, 1670370), (12792, 1563295), (12849, 1556360), (14235, 1404824), (14965, 1336296), (15990, 1250636), (17132, 1167270), (17958, 1113580), (18980, 1053618), (21320, 937977), (21415, 933816), (22776, 878015), (23944, 835185), (25698, 778180), (28470, 702412), (29930, 668148), (31980, 625318), (34264, 583635), (35916, 556790), (37960, 526809), (38909, 513960), (42830, 466908), (44895, 445432), (51396, 389090), (55679, 359160), (56940, 351206), (59860, 334074), (63960, 312659), (64245, 311272), (71832, 278395), (77818, 256980), (85660, 233454), (89790, 222716), (102792, 194545), (111358, 179580), (113880, 175603), (116727, 171320), (119720, 167037), (128490, 155636)]