641738790

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13229}}^1$

素因数の和:13267

約数の個数: 144

約数和(自身を含む): 2117540880

約数和(自身を除く): 1475802090

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 30, 33, 35, 42, 45, 49, 55, 63, 66, 70, 77, 90, 98, 99, 105, 110, 126, 147, 154, 165, 198, 210, 231, 245, 294, 315, 330, 385, 441, 462, 490, 495, 539, 630, 693, 735, 770, 882, 990, 1078, 1155, 1386, 1470, 1617, 2205, 2310, 2695, 3234, 3465, 4410, 4851, 5390, 6930, 8085, 9702, 13229, 16170, 24255, 26458, 39687, 48510, 66145, 79374, 92603, 119061, 132290, 145519, 185206, 198435, 238122, 277809, 291038, 396870, 436557, 463015, 555618, 595305, 648221, 727595, 833427, 873114, 926030, 1018633, 1190610, 1296442, 1309671, 1389045, 1455190, 1666854, 1944663, 2037266, 2182785, 2619342, 2778090, 3055899, 3241105, 3889326, 4167135, 4365570, 5093165, 5833989, 6111798, 6482210, 6548355, 7130431, 8334270, 9167697, 9723315, 10186330, 11667978, 13096710, 14260862, 15279495, 18335394, 19446630, 21391293, 29169945, 30558990, 35652155, 42782586, 45838485, 58339890, 64173879, 71304310, 91676970, 106956465, 128347758, 213912930, 320869395, 641738790]

約数ペア:

[(1, 641738790), (2, 320869395), (3, 213912930), (5, 128347758), (6, 106956465), (7, 91676970), (9, 71304310), (10, 64173879), (11, 58339890), (14, 45838485), (15, 42782586), (18, 35652155), (21, 30558990), (22, 29169945), (30, 21391293), (33, 19446630), (35, 18335394), (42, 15279495), (45, 14260862), (49, 13096710), (55, 11667978), (63, 10186330), (66, 9723315), (70, 9167697), (77, 8334270), (90, 7130431), (98, 6548355), (99, 6482210), (105, 6111798), (110, 5833989), (126, 5093165), (147, 4365570), (154, 4167135), (165, 3889326), (198, 3241105), (210, 3055899), (231, 2778090), (245, 2619342), (294, 2182785), (315, 2037266), (330, 1944663), (385, 1666854), (441, 1455190), (462, 1389045), (490, 1309671), (495, 1296442), (539, 1190610), (630, 1018633), (693, 926030), (735, 873114), (770, 833427), (882, 727595), (990, 648221), (1078, 595305), (1155, 555618), (1386, 463015), (1470, 436557), (1617, 396870), (2205, 291038), (2310, 277809), (2695, 238122), (3234, 198435), (3465, 185206), (4410, 145519), (4851, 132290), (5390, 119061), (6930, 92603), (8085, 79374), (9702, 66145), (13229, 48510), (16170, 39687), (24255, 26458)]