65413960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:191

約数の個数: 128

約数和(自身を含む): 168739200

約数和(自身を除く): 103325240

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 61, 68, 76, 83, 85, 95, 122, 136, 152, 166, 170, 190, 244, 305, 323, 332, 340, 380, 415, 488, 610, 646, 664, 680, 760, 830, 1037, 1159, 1220, 1292, 1411, 1577, 1615, 1660, 2074, 2318, 2440, 2584, 2822, 3154, 3230, 3320, 4148, 4636, 5063, 5185, 5644, 5795, 6308, 6460, 7055, 7885, 8296, 9272, 10126, 10370, 11288, 11590, 12616, 12920, 14110, 15770, 19703, 20252, 20740, 23180, 25315, 26809, 28220, 31540, 39406, 40504, 41480, 46360, 50630, 53618, 56440, 63080, 78812, 86071, 96197, 98515, 101260, 107236, 134045, 157624, 172142, 192394, 197030, 202520, 214472, 268090, 344284, 384788, 394060, 430355, 480985, 536180, 688568, 769576, 788120, 860710, 961970, 1072360, 1635349, 1721420, 1923940, 3270698, 3442840, 3847880, 6541396, 8176745, 13082792, 16353490, 32706980, 65413960]

約数ペア:

[(1, 65413960), (2, 32706980), (4, 16353490), (5, 13082792), (8, 8176745), (10, 6541396), (17, 3847880), (19, 3442840), (20, 3270698), (34, 1923940), (38, 1721420), (40, 1635349), (61, 1072360), (68, 961970), (76, 860710), (83, 788120), (85, 769576), (95, 688568), (122, 536180), (136, 480985), (152, 430355), (166, 394060), (170, 384788), (190, 344284), (244, 268090), (305, 214472), (323, 202520), (332, 197030), (340, 192394), (380, 172142), (415, 157624), (488, 134045), (610, 107236), (646, 101260), (664, 98515), (680, 96197), (760, 86071), (830, 78812), (1037, 63080), (1159, 56440), (1220, 53618), (1292, 50630), (1411, 46360), (1577, 41480), (1615, 40504), (1660, 39406), (2074, 31540), (2318, 28220), (2440, 26809), (2584, 25315), (2822, 23180), (3154, 20740), (3230, 20252), (3320, 19703), (4148, 15770), (4636, 14110), (5063, 12920), (5185, 12616), (5644, 11590), (5795, 11288), (6308, 10370), (6460, 10126), (7055, 9272), (7885, 8296)]