1639771920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61553}}^1$

素因数の和:61609

約数の個数: 120

約数和(自身を含む): 5655827736

約数和(自身を除く): 4016055816

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 111, 120, 144, 148, 180, 185, 222, 240, 296, 333, 360, 370, 444, 555, 592, 666, 720, 740, 888, 1110, 1332, 1480, 1665, 1776, 2220, 2664, 2960, 3330, 4440, 5328, 6660, 8880, 13320, 26640, 61553, 123106, 184659, 246212, 307765, 369318, 492424, 553977, 615530, 738636, 923295, 984848, 1107954, 1231060, 1477272, 1846590, 2215908, 2277461, 2462120, 2769885, 2954544, 3693180, 4431816, 4554922, 4924240, 5539770, 6832383, 7386360, 8863632, 9109844, 11079540, 11387305, 13664766, 14772720, 18219688, 20497149, 22159080, 22774610, 27329532, 34161915, 36439376, 40994298, 44318160, 45549220, 54659064, 68323830, 81988596, 91098440, 102485745, 109318128, 136647660, 163977192, 182196880, 204971490, 273295320, 327954384, 409942980, 546590640, 819885960, 1639771920]

約数ペア:

[(1, 1639771920), (2, 819885960), (3, 546590640), (4, 409942980), (5, 327954384), (6, 273295320), (8, 204971490), (9, 182196880), (10, 163977192), (12, 136647660), (15, 109318128), (16, 102485745), (18, 91098440), (20, 81988596), (24, 68323830), (30, 54659064), (36, 45549220), (37, 44318160), (40, 40994298), (45, 36439376), (48, 34161915), (60, 27329532), (72, 22774610), (74, 22159080), (80, 20497149), (90, 18219688), (111, 14772720), (120, 13664766), (144, 11387305), (148, 11079540), (180, 9109844), (185, 8863632), (222, 7386360), (240, 6832383), (296, 5539770), (333, 4924240), (360, 4554922), (370, 4431816), (444, 3693180), (555, 2954544), (592, 2769885), (666, 2462120), (720, 2277461), (740, 2215908), (888, 1846590), (1110, 1477272), (1332, 1231060), (1480, 1107954), (1665, 984848), (1776, 923295), (2220, 738636), (2664, 615530), (2960, 553977), (3330, 492424), (4440, 369318), (5328, 307765), (6660, 246212), (8880, 184659), (13320, 123106), (26640, 61553)]