278821020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{997}}^1$

素因数の和:1147

約数の個数: 96

約数和(自身を含む): 804787200

約数和(自身を除く): 525966180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 79, 118, 158, 177, 236, 237, 295, 316, 354, 395, 474, 590, 708, 790, 885, 948, 997, 1180, 1185, 1580, 1770, 1994, 2370, 2991, 3540, 3988, 4661, 4740, 4985, 5982, 9322, 9970, 11964, 13983, 14955, 18644, 19940, 23305, 27966, 29910, 46610, 55932, 58823, 59820, 69915, 78763, 93220, 117646, 139830, 157526, 176469, 235292, 236289, 279660, 294115, 315052, 352938, 393815, 472578, 588230, 705876, 787630, 882345, 945156, 1176460, 1181445, 1575260, 1764690, 2362890, 3529380, 4647017, 4725780, 9294034, 13941051, 18588068, 23235085, 27882102, 46470170, 55764204, 69705255, 92940340, 139410510, 278821020]

約数ペア:

[(1, 278821020), (2, 139410510), (3, 92940340), (4, 69705255), (5, 55764204), (6, 46470170), (10, 27882102), (12, 23235085), (15, 18588068), (20, 13941051), (30, 9294034), (59, 4725780), (60, 4647017), (79, 3529380), (118, 2362890), (158, 1764690), (177, 1575260), (236, 1181445), (237, 1176460), (295, 945156), (316, 882345), (354, 787630), (395, 705876), (474, 588230), (590, 472578), (708, 393815), (790, 352938), (885, 315052), (948, 294115), (997, 279660), (1180, 236289), (1185, 235292), (1580, 176469), (1770, 157526), (1994, 139830), (2370, 117646), (2991, 93220), (3540, 78763), (3988, 69915), (4661, 59820), (4740, 58823), (4985, 55932), (5982, 46610), (9322, 29910), (9970, 27966), (11964, 23305), (13983, 19940), (14955, 18644)]