145915140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1601}}^1$

素因数の和:1658

約数の個数: 144

約数和(自身を含む): 490904064

約数和(自身を除く): 344988924

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 372, 420, 434, 465, 490, 588, 620, 651, 735, 868, 930, 980, 1085, 1302, 1470, 1519, 1601, 1860, 2170, 2604, 2940, 3038, 3202, 3255, 4340, 4557, 4803, 6076, 6404, 6510, 7595, 8005, 9114, 9606, 11207, 13020, 15190, 16010, 18228, 19212, 22414, 22785, 24015, 30380, 32020, 33621, 44828, 45570, 48030, 49631, 56035, 67242, 78449, 91140, 96060, 99262, 112070, 134484, 148893, 156898, 168105, 198524, 224140, 235347, 248155, 297786, 313796, 336210, 347417, 392245, 470694, 496310, 595572, 672420, 694834, 744465, 784490, 941388, 992620, 1042251, 1176735, 1389668, 1488930, 1568980, 1737085, 2084502, 2353470, 2431919, 2977860, 3474170, 4169004, 4706940, 4863838, 5211255, 6948340, 7295757, 9727676, 10422510, 12159595, 14591514, 20845020, 24319190, 29183028, 36478785, 48638380, 72957570, 145915140]

約数ペア:

[(1, 145915140), (2, 72957570), (3, 48638380), (4, 36478785), (5, 29183028), (6, 24319190), (7, 20845020), (10, 14591514), (12, 12159595), (14, 10422510), (15, 9727676), (20, 7295757), (21, 6948340), (28, 5211255), (30, 4863838), (31, 4706940), (35, 4169004), (42, 3474170), (49, 2977860), (60, 2431919), (62, 2353470), (70, 2084502), (84, 1737085), (93, 1568980), (98, 1488930), (105, 1389668), (124, 1176735), (140, 1042251), (147, 992620), (155, 941388), (186, 784490), (196, 744465), (210, 694834), (217, 672420), (245, 595572), (294, 496310), (310, 470694), (372, 392245), (420, 347417), (434, 336210), (465, 313796), (490, 297786), (588, 248155), (620, 235347), (651, 224140), (735, 198524), (868, 168105), (930, 156898), (980, 148893), (1085, 134484), (1302, 112070), (1470, 99262), (1519, 96060), (1601, 91140), (1860, 78449), (2170, 67242), (2604, 56035), (2940, 49631), (3038, 48030), (3202, 45570), (3255, 44828), (4340, 33621), (4557, 32020), (4803, 30380), (6076, 24015), (6404, 22785), (6510, 22414), (7595, 19212), (8005, 18228), (9114, 16010), (9606, 15190), (11207, 13020)]