65216580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{691}}^1$

素因数の和:738

約数の個数: 144

約数和(自身を含む): 216468672

約数和(自身を除く): 151252092

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 121, 130, 132, 143, 156, 165, 195, 220, 242, 260, 286, 330, 363, 390, 429, 484, 572, 605, 660, 691, 715, 726, 780, 858, 1210, 1382, 1430, 1452, 1573, 1716, 1815, 2073, 2145, 2420, 2764, 2860, 3146, 3455, 3630, 4146, 4290, 4719, 6292, 6910, 7260, 7601, 7865, 8292, 8580, 8983, 9438, 10365, 13820, 15202, 15730, 17966, 18876, 20730, 22803, 23595, 26949, 30404, 31460, 35932, 38005, 41460, 44915, 45606, 47190, 53898, 76010, 83611, 89830, 91212, 94380, 98813, 107796, 114015, 134745, 152020, 167222, 179660, 197626, 228030, 250833, 269490, 296439, 334444, 395252, 418055, 456060, 494065, 501666, 538980, 592878, 836110, 988130, 1003332, 1086943, 1185756, 1254165, 1482195, 1672220, 1976260, 2173886, 2508330, 2964390, 3260829, 4347772, 5016660, 5434715, 5928780, 6521658, 10869430, 13043316, 16304145, 21738860, 32608290, 65216580]

約数ペア:

[(1, 65216580), (2, 32608290), (3, 21738860), (4, 16304145), (5, 13043316), (6, 10869430), (10, 6521658), (11, 5928780), (12, 5434715), (13, 5016660), (15, 4347772), (20, 3260829), (22, 2964390), (26, 2508330), (30, 2173886), (33, 1976260), (39, 1672220), (44, 1482195), (52, 1254165), (55, 1185756), (60, 1086943), (65, 1003332), (66, 988130), (78, 836110), (110, 592878), (121, 538980), (130, 501666), (132, 494065), (143, 456060), (156, 418055), (165, 395252), (195, 334444), (220, 296439), (242, 269490), (260, 250833), (286, 228030), (330, 197626), (363, 179660), (390, 167222), (429, 152020), (484, 134745), (572, 114015), (605, 107796), (660, 98813), (691, 94380), (715, 91212), (726, 89830), (780, 83611), (858, 76010), (1210, 53898), (1382, 47190), (1430, 45606), (1452, 44915), (1573, 41460), (1716, 38005), (1815, 35932), (2073, 31460), (2145, 30404), (2420, 26949), (2764, 23595), (2860, 22803), (3146, 20730), (3455, 18876), (3630, 17966), (4146, 15730), (4290, 15202), (4719, 13820), (6292, 10365), (6910, 9438), (7260, 8983), (7601, 8580), (7865, 8292)]