4996980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:126

約数の個数: 144

約数和(自身を含む): 16982784

約数和(自身を除く): 11985804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 23, 30, 34, 36, 45, 46, 51, 60, 68, 69, 71, 85, 90, 92, 102, 115, 138, 142, 153, 170, 180, 204, 207, 213, 230, 255, 276, 284, 306, 340, 345, 355, 391, 414, 426, 460, 510, 612, 639, 690, 710, 765, 782, 828, 852, 1020, 1035, 1065, 1173, 1207, 1278, 1380, 1420, 1530, 1564, 1633, 1955, 2070, 2130, 2346, 2414, 2556, 3060, 3195, 3266, 3519, 3621, 3910, 4140, 4260, 4692, 4828, 4899, 5865, 6035, 6390, 6532, 7038, 7242, 7820, 8165, 9798, 10863, 11730, 12070, 12780, 14076, 14484, 14697, 16330, 17595, 18105, 19596, 21726, 23460, 24140, 24495, 27761, 29394, 32660, 35190, 36210, 43452, 48990, 54315, 55522, 58788, 70380, 72420, 73485, 83283, 97980, 108630, 111044, 138805, 146970, 166566, 217260, 249849, 277610, 293940, 333132, 416415, 499698, 555220, 832830, 999396, 1249245, 1665660, 2498490, 4996980]

約数ペア:

[(1, 4996980), (2, 2498490), (3, 1665660), (4, 1249245), (5, 999396), (6, 832830), (9, 555220), (10, 499698), (12, 416415), (15, 333132), (17, 293940), (18, 277610), (20, 249849), (23, 217260), (30, 166566), (34, 146970), (36, 138805), (45, 111044), (46, 108630), (51, 97980), (60, 83283), (68, 73485), (69, 72420), (71, 70380), (85, 58788), (90, 55522), (92, 54315), (102, 48990), (115, 43452), (138, 36210), (142, 35190), (153, 32660), (170, 29394), (180, 27761), (204, 24495), (207, 24140), (213, 23460), (230, 21726), (255, 19596), (276, 18105), (284, 17595), (306, 16330), (340, 14697), (345, 14484), (355, 14076), (391, 12780), (414, 12070), (426, 11730), (460, 10863), (510, 9798), (612, 8165), (639, 7820), (690, 7242), (710, 7038), (765, 6532), (782, 6390), (828, 6035), (852, 5865), (1020, 4899), (1035, 4828), (1065, 4692), (1173, 4260), (1207, 4140), (1278, 3910), (1380, 3621), (1420, 3519), (1530, 3266), (1564, 3195), (1633, 3060), (1955, 2556), (2070, 2414), (2130, 2346)]