728447280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{16231}}^1$

素因数の和:16275

約数の個数: 160

約数和(自身を含む): 2608547328

約数和(自身を除く): 1880100048

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 17, 20, 22, 24, 30, 33, 34, 40, 44, 48, 51, 55, 60, 66, 68, 80, 85, 88, 102, 110, 120, 132, 136, 165, 170, 176, 187, 204, 220, 240, 255, 264, 272, 330, 340, 374, 408, 440, 510, 528, 561, 660, 680, 748, 816, 880, 935, 1020, 1122, 1320, 1360, 1496, 1870, 2040, 2244, 2640, 2805, 2992, 3740, 4080, 4488, 5610, 7480, 8976, 11220, 14960, 16231, 22440, 32462, 44880, 48693, 64924, 81155, 97386, 129848, 162310, 178541, 194772, 243465, 259696, 275927, 324620, 357082, 389544, 486930, 535623, 551854, 649240, 714164, 779088, 827781, 892705, 973860, 1071246, 1103708, 1298480, 1379635, 1428328, 1655562, 1785410, 1947720, 2142492, 2207416, 2678115, 2759270, 2856656, 3035197, 3311124, 3570820, 3895440, 4138905, 4284984, 4414832, 5356230, 5518540, 6070394, 6622248, 7141640, 8277810, 8569968, 9105591, 10712460, 11037080, 12140788, 13244496, 14283280, 15175985, 16555620, 18211182, 21424920, 22074160, 24281576, 30351970, 33111240, 36422364, 42849840, 45527955, 48563152, 60703940, 66222480, 72844728, 91055910, 121407880, 145689456, 182111820, 242815760, 364223640, 728447280]

約数ペア:

[(1, 728447280), (2, 364223640), (3, 242815760), (4, 182111820), (5, 145689456), (6, 121407880), (8, 91055910), (10, 72844728), (11, 66222480), (12, 60703940), (15, 48563152), (16, 45527955), (17, 42849840), (20, 36422364), (22, 33111240), (24, 30351970), (30, 24281576), (33, 22074160), (34, 21424920), (40, 18211182), (44, 16555620), (48, 15175985), (51, 14283280), (55, 13244496), (60, 12140788), (66, 11037080), (68, 10712460), (80, 9105591), (85, 8569968), (88, 8277810), (102, 7141640), (110, 6622248), (120, 6070394), (132, 5518540), (136, 5356230), (165, 4414832), (170, 4284984), (176, 4138905), (187, 3895440), (204, 3570820), (220, 3311124), (240, 3035197), (255, 2856656), (264, 2759270), (272, 2678115), (330, 2207416), (340, 2142492), (374, 1947720), (408, 1785410), (440, 1655562), (510, 1428328), (528, 1379635), (561, 1298480), (660, 1103708), (680, 1071246), (748, 973860), (816, 892705), (880, 827781), (935, 779088), (1020, 714164), (1122, 649240), (1320, 551854), (1360, 535623), (1496, 486930), (1870, 389544), (2040, 357082), (2244, 324620), (2640, 275927), (2805, 259696), (2992, 243465), (3740, 194772), (4080, 178541), (4488, 162310), (5610, 129848), (7480, 97386), (8976, 81155), (11220, 64924), (14960, 48693), (16231, 44880), (22440, 32462)]