78301320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{293}}^1$

素因数の和:455

約数の個数: 128

約数和(自身を含む): 251475840

約数和(自身を除く): 173174520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 131, 136, 170, 204, 255, 262, 293, 340, 393, 408, 510, 524, 586, 655, 680, 786, 879, 1020, 1048, 1172, 1310, 1465, 1572, 1758, 1965, 2040, 2227, 2344, 2620, 2930, 3144, 3516, 3930, 4395, 4454, 4981, 5240, 5860, 6681, 7032, 7860, 8790, 8908, 9962, 11135, 11720, 13362, 14943, 15720, 17580, 17816, 19924, 22270, 24905, 26724, 29886, 33405, 35160, 38383, 39848, 44540, 49810, 53448, 59772, 66810, 74715, 76766, 89080, 99620, 115149, 119544, 133620, 149430, 153532, 191915, 199240, 230298, 267240, 298860, 307064, 383830, 460596, 575745, 597720, 652511, 767660, 921192, 1151490, 1305022, 1535320, 1957533, 2302980, 2610044, 3262555, 3915066, 4605960, 5220088, 6525110, 7830132, 9787665, 13050220, 15660264, 19575330, 26100440, 39150660, 78301320]

約数ペア:

[(1, 78301320), (2, 39150660), (3, 26100440), (4, 19575330), (5, 15660264), (6, 13050220), (8, 9787665), (10, 7830132), (12, 6525110), (15, 5220088), (17, 4605960), (20, 3915066), (24, 3262555), (30, 2610044), (34, 2302980), (40, 1957533), (51, 1535320), (60, 1305022), (68, 1151490), (85, 921192), (102, 767660), (120, 652511), (131, 597720), (136, 575745), (170, 460596), (204, 383830), (255, 307064), (262, 298860), (293, 267240), (340, 230298), (393, 199240), (408, 191915), (510, 153532), (524, 149430), (586, 133620), (655, 119544), (680, 115149), (786, 99620), (879, 89080), (1020, 76766), (1048, 74715), (1172, 66810), (1310, 59772), (1465, 53448), (1572, 49810), (1758, 44540), (1965, 39848), (2040, 38383), (2227, 35160), (2344, 33405), (2620, 29886), (2930, 26724), (3144, 24905), (3516, 22270), (3930, 19924), (4395, 17816), (4454, 17580), (4981, 15720), (5240, 14943), (5860, 13362), (6681, 11720), (7032, 11135), (7860, 9962), (8790, 8908)]