81784560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2383}}^1$

素因数の和:2423

約数の個数: 160

約数和(自身を含む): 297980928

約数和(自身を除く): 216196368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 33, 39, 40, 44, 48, 52, 55, 60, 65, 66, 78, 80, 88, 104, 110, 120, 130, 132, 143, 156, 165, 176, 195, 208, 220, 240, 260, 264, 286, 312, 330, 390, 429, 440, 520, 528, 572, 624, 660, 715, 780, 858, 880, 1040, 1144, 1320, 1430, 1560, 1716, 2145, 2288, 2383, 2640, 2860, 3120, 3432, 4290, 4766, 5720, 6864, 7149, 8580, 9532, 11440, 11915, 14298, 17160, 19064, 23830, 26213, 28596, 30979, 34320, 35745, 38128, 47660, 52426, 57192, 61958, 71490, 78639, 92937, 95320, 104852, 114384, 123916, 131065, 142980, 154895, 157278, 185874, 190640, 209704, 247832, 262130, 285960, 309790, 314556, 340769, 371748, 393195, 419408, 464685, 495664, 524260, 571920, 619580, 629112, 681538, 743496, 786390, 929370, 1022307, 1048520, 1239160, 1258224, 1363076, 1486992, 1572780, 1703845, 1858740, 2044614, 2097040, 2478320, 2726152, 3145560, 3407690, 3717480, 4089228, 5111535, 5452304, 6291120, 6815380, 7434960, 8178456, 10223070, 13630760, 16356912, 20446140, 27261520, 40892280, 81784560]

約数ペア:

[(1, 81784560), (2, 40892280), (3, 27261520), (4, 20446140), (5, 16356912), (6, 13630760), (8, 10223070), (10, 8178456), (11, 7434960), (12, 6815380), (13, 6291120), (15, 5452304), (16, 5111535), (20, 4089228), (22, 3717480), (24, 3407690), (26, 3145560), (30, 2726152), (33, 2478320), (39, 2097040), (40, 2044614), (44, 1858740), (48, 1703845), (52, 1572780), (55, 1486992), (60, 1363076), (65, 1258224), (66, 1239160), (78, 1048520), (80, 1022307), (88, 929370), (104, 786390), (110, 743496), (120, 681538), (130, 629112), (132, 619580), (143, 571920), (156, 524260), (165, 495664), (176, 464685), (195, 419408), (208, 393195), (220, 371748), (240, 340769), (260, 314556), (264, 309790), (286, 285960), (312, 262130), (330, 247832), (390, 209704), (429, 190640), (440, 185874), (520, 157278), (528, 154895), (572, 142980), (624, 131065), (660, 123916), (715, 114384), (780, 104852), (858, 95320), (880, 92937), (1040, 78639), (1144, 71490), (1320, 61958), (1430, 57192), (1560, 52426), (1716, 47660), (2145, 38128), (2288, 35745), (2383, 34320), (2640, 30979), (2860, 28596), (3120, 26213), (3432, 23830), (4290, 19064), (4766, 17160), (5720, 14298), (6864, 11915), (7149, 11440), (8580, 9532)]