51894180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:426

約数の個数: 144

約数和(自身を含む): 172570944

約数和(自身を除く): 120676764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 67, 78, 90, 117, 130, 134, 156, 180, 195, 201, 234, 260, 268, 331, 335, 390, 402, 468, 585, 603, 662, 670, 780, 804, 871, 993, 1005, 1170, 1206, 1324, 1340, 1655, 1742, 1986, 2010, 2340, 2412, 2613, 2979, 3015, 3310, 3484, 3972, 4020, 4303, 4355, 4965, 5226, 5958, 6030, 6620, 7839, 8606, 8710, 9930, 10452, 11916, 12060, 12909, 13065, 14895, 15678, 17212, 17420, 19860, 21515, 22177, 25818, 26130, 29790, 31356, 38727, 39195, 43030, 44354, 51636, 52260, 59580, 64545, 66531, 77454, 78390, 86060, 88708, 110885, 129090, 133062, 154908, 156780, 193635, 199593, 221770, 258180, 266124, 288301, 332655, 387270, 399186, 443540, 576602, 665310, 774540, 798372, 864903, 997965, 1153204, 1330620, 1441505, 1729806, 1995930, 2594709, 2883010, 3459612, 3991860, 4324515, 5189418, 5766020, 8649030, 10378836, 12973545, 17298060, 25947090, 51894180]

約数ペア:

[(1, 51894180), (2, 25947090), (3, 17298060), (4, 12973545), (5, 10378836), (6, 8649030), (9, 5766020), (10, 5189418), (12, 4324515), (13, 3991860), (15, 3459612), (18, 2883010), (20, 2594709), (26, 1995930), (30, 1729806), (36, 1441505), (39, 1330620), (45, 1153204), (52, 997965), (60, 864903), (65, 798372), (67, 774540), (78, 665310), (90, 576602), (117, 443540), (130, 399186), (134, 387270), (156, 332655), (180, 288301), (195, 266124), (201, 258180), (234, 221770), (260, 199593), (268, 193635), (331, 156780), (335, 154908), (390, 133062), (402, 129090), (468, 110885), (585, 88708), (603, 86060), (662, 78390), (670, 77454), (780, 66531), (804, 64545), (871, 59580), (993, 52260), (1005, 51636), (1170, 44354), (1206, 43030), (1324, 39195), (1340, 38727), (1655, 31356), (1742, 29790), (1986, 26130), (2010, 25818), (2340, 22177), (2412, 21515), (2613, 19860), (2979, 17420), (3015, 17212), (3310, 15678), (3484, 14895), (3972, 13065), (4020, 12909), (4303, 12060), (4355, 11916), (4965, 10452), (5226, 9930), (5958, 8710), (6030, 8606), (6620, 7839)]