620798520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:286

約数の個数: 256

約数和(自身を含む): 2093921280

約数和(自身を除く): 1473122760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 40, 46, 51, 60, 68, 69, 85, 92, 101, 102, 115, 120, 131, 136, 138, 170, 184, 202, 204, 230, 255, 262, 276, 303, 340, 345, 391, 393, 404, 408, 460, 505, 510, 524, 552, 606, 655, 680, 690, 782, 786, 808, 920, 1010, 1020, 1048, 1173, 1212, 1310, 1380, 1515, 1564, 1572, 1717, 1955, 1965, 2020, 2040, 2227, 2323, 2346, 2424, 2620, 2760, 3013, 3030, 3128, 3144, 3434, 3910, 3930, 4040, 4454, 4646, 4692, 5151, 5240, 5865, 6026, 6060, 6681, 6868, 6969, 7820, 7860, 8585, 8908, 9039, 9292, 9384, 10302, 11135, 11615, 11730, 12052, 12120, 13231, 13362, 13736, 13938, 15065, 15640, 15720, 17170, 17816, 18078, 18584, 20604, 22270, 23230, 23460, 24104, 25755, 26462, 26724, 27876, 30130, 33405, 34340, 34845, 36156, 39491, 39693, 41208, 44540, 45195, 46460, 46920, 51221, 51510, 52924, 53448, 55752, 60260, 66155, 66810, 68680, 69690, 72312, 78982, 79386, 89080, 90390, 92920, 102442, 103020, 105848, 118473, 120520, 132310, 133620, 139380, 153663, 157964, 158772, 180780, 197455, 198465, 204884, 206040, 224927, 236946, 256105, 264620, 267240, 278760, 304313, 307326, 315928, 317544, 361560, 394910, 396930, 409768, 449854, 473892, 512210, 529240, 592365, 608626, 614652, 674781, 768315, 789820, 793860, 899708, 912939, 947784, 1024420, 1124635, 1184730, 1217252, 1229304, 1349562, 1521565, 1536630, 1579640, 1587720, 1799416, 1825878, 2048840, 2249270, 2369460, 2434504, 2699124, 3043130, 3073260, 3373905, 3651756, 4498540, 4564695, 4738920, 5173321, 5398248, 6086260, 6146520, 6747810, 7303512, 8997080, 9129390, 10346642, 12172520, 13495620, 15519963, 18258780, 20693284, 25866605, 26991240, 31039926, 36517560, 41386568, 51733210, 62079852, 77599815, 103466420, 124159704, 155199630, 206932840, 310399260, 620798520]

約数ペア:

[(1, 620798520), (2, 310399260), (3, 206932840), (4, 155199630), (5, 124159704), (6, 103466420), (8, 77599815), (10, 62079852), (12, 51733210), (15, 41386568), (17, 36517560), (20, 31039926), (23, 26991240), (24, 25866605), (30, 20693284), (34, 18258780), (40, 15519963), (46, 13495620), (51, 12172520), (60, 10346642), (68, 9129390), (69, 8997080), (85, 7303512), (92, 6747810), (101, 6146520), (102, 6086260), (115, 5398248), (120, 5173321), (131, 4738920), (136, 4564695), (138, 4498540), (170, 3651756), (184, 3373905), (202, 3073260), (204, 3043130), (230, 2699124), (255, 2434504), (262, 2369460), (276, 2249270), (303, 2048840), (340, 1825878), (345, 1799416), (391, 1587720), (393, 1579640), (404, 1536630), (408, 1521565), (460, 1349562), (505, 1229304), (510, 1217252), (524, 1184730), (552, 1124635), (606, 1024420), (655, 947784), (680, 912939), (690, 899708), (782, 793860), (786, 789820), (808, 768315), (920, 674781), (1010, 614652), (1020, 608626), (1048, 592365), (1173, 529240), (1212, 512210), (1310, 473892), (1380, 449854), (1515, 409768), (1564, 396930), (1572, 394910), (1717, 361560), (1955, 317544), (1965, 315928), (2020, 307326), (2040, 304313), (2227, 278760), (2323, 267240), (2346, 264620), (2424, 256105), (2620, 236946), (2760, 224927), (3013, 206040), (3030, 204884), (3128, 198465), (3144, 197455), (3434, 180780), (3910, 158772), (3930, 157964), (4040, 153663), (4454, 139380), (4646, 133620), (4692, 132310), (5151, 120520), (5240, 118473), (5865, 105848), (6026, 103020), (6060, 102442), (6681, 92920), (6868, 90390), (6969, 89080), (7820, 79386), (7860, 78982), (8585, 72312), (8908, 69690), (9039, 68680), (9292, 66810), (9384, 66155), (10302, 60260), (11135, 55752), (11615, 53448), (11730, 52924), (12052, 51510), (12120, 51221), (13231, 46920), (13362, 46460), (13736, 45195), (13938, 44540), (15065, 41208), (15640, 39693), (15720, 39491), (17170, 36156), (17816, 34845), (18078, 34340), (18584, 33405), (20604, 30130), (22270, 27876), (23230, 26724), (23460, 26462), (24104, 25755)]