74978160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:120

約数の個数: 240

約数和(自身を含む): 263126016

約数和(自身を除く): 188147856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 23, 24, 30, 34, 40, 46, 47, 48, 51, 60, 68, 69, 80, 85, 92, 94, 102, 115, 120, 136, 138, 141, 170, 184, 188, 204, 230, 235, 240, 255, 272, 276, 282, 289, 340, 345, 368, 376, 391, 408, 460, 470, 510, 552, 564, 578, 680, 690, 705, 752, 782, 799, 816, 867, 920, 940, 1020, 1081, 1104, 1128, 1156, 1173, 1360, 1380, 1410, 1445, 1564, 1598, 1734, 1840, 1880, 1955, 2040, 2162, 2256, 2312, 2346, 2397, 2760, 2820, 2890, 3128, 3196, 3243, 3468, 3760, 3910, 3995, 4080, 4324, 4335, 4624, 4692, 4794, 5405, 5520, 5640, 5780, 5865, 6256, 6392, 6486, 6647, 6936, 7820, 7990, 8648, 8670, 9384, 9588, 10810, 11280, 11560, 11730, 11985, 12784, 12972, 13294, 13583, 13872, 15640, 15980, 16215, 17296, 17340, 18377, 18768, 19176, 19941, 21620, 23120, 23460, 23970, 25944, 26588, 27166, 31280, 31960, 32430, 33235, 34680, 36754, 38352, 39882, 40749, 43240, 46920, 47940, 51888, 53176, 54332, 55131, 63920, 64860, 66470, 67915, 69360, 73508, 79764, 81498, 86480, 91885, 93840, 95880, 99705, 106352, 108664, 110262, 129720, 132940, 135830, 147016, 159528, 162996, 183770, 191760, 199410, 203745, 217328, 220524, 259440, 265880, 271660, 275655, 294032, 312409, 319056, 325992, 367540, 398820, 407490, 441048, 531760, 543320, 551310, 624818, 651984, 735080, 797640, 814980, 882096, 937227, 1086640, 1102620, 1249636, 1470160, 1562045, 1595280, 1629960, 1874454, 2205240, 2499272, 3124090, 3259920, 3748908, 4410480, 4686135, 4998544, 6248180, 7497816, 9372270, 12496360, 14995632, 18744540, 24992720, 37489080, 74978160]

約数ペア:

[(1, 74978160), (2, 37489080), (3, 24992720), (4, 18744540), (5, 14995632), (6, 12496360), (8, 9372270), (10, 7497816), (12, 6248180), (15, 4998544), (16, 4686135), (17, 4410480), (20, 3748908), (23, 3259920), (24, 3124090), (30, 2499272), (34, 2205240), (40, 1874454), (46, 1629960), (47, 1595280), (48, 1562045), (51, 1470160), (60, 1249636), (68, 1102620), (69, 1086640), (80, 937227), (85, 882096), (92, 814980), (94, 797640), (102, 735080), (115, 651984), (120, 624818), (136, 551310), (138, 543320), (141, 531760), (170, 441048), (184, 407490), (188, 398820), (204, 367540), (230, 325992), (235, 319056), (240, 312409), (255, 294032), (272, 275655), (276, 271660), (282, 265880), (289, 259440), (340, 220524), (345, 217328), (368, 203745), (376, 199410), (391, 191760), (408, 183770), (460, 162996), (470, 159528), (510, 147016), (552, 135830), (564, 132940), (578, 129720), (680, 110262), (690, 108664), (705, 106352), (752, 99705), (782, 95880), (799, 93840), (816, 91885), (867, 86480), (920, 81498), (940, 79764), (1020, 73508), (1081, 69360), (1104, 67915), (1128, 66470), (1156, 64860), (1173, 63920), (1360, 55131), (1380, 54332), (1410, 53176), (1445, 51888), (1564, 47940), (1598, 46920), (1734, 43240), (1840, 40749), (1880, 39882), (1955, 38352), (2040, 36754), (2162, 34680), (2256, 33235), (2312, 32430), (2346, 31960), (2397, 31280), (2760, 27166), (2820, 26588), (2890, 25944), (3128, 23970), (3196, 23460), (3243, 23120), (3468, 21620), (3760, 19941), (3910, 19176), (3995, 18768), (4080, 18377), (4324, 17340), (4335, 17296), (4624, 16215), (4692, 15980), (4794, 15640), (5405, 13872), (5520, 13583), (5640, 13294), (5780, 12972), (5865, 12784), (6256, 11985), (6392, 11730), (6486, 11560), (6647, 11280), (6936, 10810), (7820, 9588), (7990, 9384), (8648, 8670)]