65220870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:718

約数の個数: 128

約数和(自身を含む): 192181248

約数和(自身を除く): 126960378

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 23, 26, 30, 33, 39, 46, 55, 65, 66, 69, 78, 110, 115, 130, 138, 143, 165, 195, 230, 253, 286, 299, 330, 345, 390, 429, 506, 598, 661, 690, 715, 759, 858, 897, 1265, 1322, 1430, 1495, 1518, 1794, 1983, 2145, 2530, 2990, 3289, 3305, 3795, 3966, 4290, 4485, 6578, 6610, 7271, 7590, 8593, 8970, 9867, 9915, 14542, 15203, 16445, 17186, 19734, 19830, 21813, 25779, 30406, 32890, 36355, 42965, 43626, 45609, 49335, 51558, 72710, 76015, 85930, 91218, 94523, 98670, 109065, 128895, 152030, 167233, 189046, 197639, 218130, 228045, 257790, 283569, 334466, 395278, 456090, 472615, 501699, 567138, 592917, 836165, 945230, 988195, 1003398, 1185834, 1417845, 1672330, 1976390, 2174029, 2508495, 2835690, 2964585, 4348058, 5016990, 5929170, 6522087, 10870145, 13044174, 21740290, 32610435, 65220870]

約数ペア:

[(1, 65220870), (2, 32610435), (3, 21740290), (5, 13044174), (6, 10870145), (10, 6522087), (11, 5929170), (13, 5016990), (15, 4348058), (22, 2964585), (23, 2835690), (26, 2508495), (30, 2174029), (33, 1976390), (39, 1672330), (46, 1417845), (55, 1185834), (65, 1003398), (66, 988195), (69, 945230), (78, 836165), (110, 592917), (115, 567138), (130, 501699), (138, 472615), (143, 456090), (165, 395278), (195, 334466), (230, 283569), (253, 257790), (286, 228045), (299, 218130), (330, 197639), (345, 189046), (390, 167233), (429, 152030), (506, 128895), (598, 109065), (661, 98670), (690, 94523), (715, 91218), (759, 85930), (858, 76015), (897, 72710), (1265, 51558), (1322, 49335), (1430, 45609), (1495, 43626), (1518, 42965), (1794, 36355), (1983, 32890), (2145, 30406), (2530, 25779), (2990, 21813), (3289, 19830), (3305, 19734), (3795, 17186), (3966, 16445), (4290, 15203), (4485, 14542), (6578, 9915), (6610, 9867), (7271, 8970), (7590, 8593)]