161240080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:177

約数の個数: 160

約数和(自身を含む): 420687360

約数和(自身を除く): 259447280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 47, 61, 74, 76, 80, 94, 95, 122, 148, 152, 185, 188, 190, 235, 244, 296, 304, 305, 370, 376, 380, 470, 488, 592, 610, 703, 740, 752, 760, 893, 940, 976, 1159, 1220, 1406, 1480, 1520, 1739, 1786, 1880, 2257, 2318, 2440, 2812, 2867, 2960, 3478, 3515, 3572, 3760, 4465, 4514, 4636, 4880, 5624, 5734, 5795, 6956, 7030, 7144, 8695, 8930, 9028, 9272, 11248, 11285, 11468, 11590, 13912, 14060, 14288, 14335, 17390, 17860, 18056, 18544, 22570, 22936, 23180, 27824, 28120, 28670, 33041, 34780, 35720, 36112, 42883, 45140, 45872, 46360, 54473, 56240, 57340, 66082, 69560, 71440, 85766, 90280, 92720, 106079, 108946, 114680, 132164, 139120, 165205, 171532, 180560, 212158, 214415, 217892, 229360, 264328, 272365, 330410, 343064, 424316, 428830, 435784, 528656, 530395, 544730, 660820, 686128, 848632, 857660, 871568, 1060790, 1089460, 1321640, 1697264, 1715320, 2015501, 2121580, 2178920, 2643280, 3430640, 4031002, 4243160, 4357840, 8062004, 8486320, 10077505, 16124008, 20155010, 32248016, 40310020, 80620040, 161240080]

約数ペア:

[(1, 161240080), (2, 80620040), (4, 40310020), (5, 32248016), (8, 20155010), (10, 16124008), (16, 10077505), (19, 8486320), (20, 8062004), (37, 4357840), (38, 4243160), (40, 4031002), (47, 3430640), (61, 2643280), (74, 2178920), (76, 2121580), (80, 2015501), (94, 1715320), (95, 1697264), (122, 1321640), (148, 1089460), (152, 1060790), (185, 871568), (188, 857660), (190, 848632), (235, 686128), (244, 660820), (296, 544730), (304, 530395), (305, 528656), (370, 435784), (376, 428830), (380, 424316), (470, 343064), (488, 330410), (592, 272365), (610, 264328), (703, 229360), (740, 217892), (752, 214415), (760, 212158), (893, 180560), (940, 171532), (976, 165205), (1159, 139120), (1220, 132164), (1406, 114680), (1480, 108946), (1520, 106079), (1739, 92720), (1786, 90280), (1880, 85766), (2257, 71440), (2318, 69560), (2440, 66082), (2812, 57340), (2867, 56240), (2960, 54473), (3478, 46360), (3515, 45872), (3572, 45140), (3760, 42883), (4465, 36112), (4514, 35720), (4636, 34780), (4880, 33041), (5624, 28670), (5734, 28120), (5795, 27824), (6956, 23180), (7030, 22936), (7144, 22570), (8695, 18544), (8930, 18056), (9028, 17860), (9272, 17390), (11248, 14335), (11285, 14288), (11468, 14060), (11590, 13912)]