68749980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4639}}^1$

素因数の和:4683

約数の個数: 96

約数和(自身を含む): 218265600

約数和(自身を除く): 149515620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 190, 195, 228, 247, 260, 285, 380, 390, 494, 570, 741, 780, 988, 1140, 1235, 1482, 2470, 2964, 3705, 4639, 4940, 7410, 9278, 13917, 14820, 18556, 23195, 27834, 46390, 55668, 60307, 69585, 88141, 92780, 120614, 139170, 176282, 180921, 241228, 264423, 278340, 301535, 352564, 361842, 440705, 528846, 603070, 723684, 881410, 904605, 1057692, 1145833, 1206140, 1322115, 1762820, 1809210, 2291666, 2644230, 3437499, 3618420, 4583332, 5288460, 5729165, 6874998, 11458330, 13749996, 17187495, 22916660, 34374990, 68749980]

約数ペア:

[(1, 68749980), (2, 34374990), (3, 22916660), (4, 17187495), (5, 13749996), (6, 11458330), (10, 6874998), (12, 5729165), (13, 5288460), (15, 4583332), (19, 3618420), (20, 3437499), (26, 2644230), (30, 2291666), (38, 1809210), (39, 1762820), (52, 1322115), (57, 1206140), (60, 1145833), (65, 1057692), (76, 904605), (78, 881410), (95, 723684), (114, 603070), (130, 528846), (156, 440705), (190, 361842), (195, 352564), (228, 301535), (247, 278340), (260, 264423), (285, 241228), (380, 180921), (390, 176282), (494, 139170), (570, 120614), (741, 92780), (780, 88141), (988, 69585), (1140, 60307), (1235, 55668), (1482, 46390), (2470, 27834), (2964, 23195), (3705, 18556), (4639, 14820), (4940, 13917), (7410, 9278)]