30071340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:280

約数の個数: 144

約数和(自身を含む): 100166976

約数和(自身を除く): 70095636

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 71, 78, 90, 117, 130, 142, 156, 180, 181, 195, 213, 234, 260, 284, 355, 362, 390, 426, 468, 543, 585, 639, 710, 724, 780, 852, 905, 923, 1065, 1086, 1170, 1278, 1420, 1629, 1810, 1846, 2130, 2172, 2340, 2353, 2556, 2715, 2769, 3195, 3258, 3620, 3692, 4260, 4615, 4706, 5430, 5538, 6390, 6516, 7059, 8145, 8307, 9230, 9412, 10860, 11076, 11765, 12780, 12851, 13845, 14118, 16290, 16614, 18460, 21177, 23530, 25702, 27690, 28236, 32580, 33228, 35295, 38553, 41535, 42354, 47060, 51404, 55380, 64255, 70590, 77106, 83070, 84708, 105885, 115659, 128510, 141180, 154212, 166140, 167063, 192765, 211770, 231318, 257020, 334126, 385530, 423540, 462636, 501189, 578295, 668252, 771060, 835315, 1002378, 1156590, 1503567, 1670630, 2004756, 2313180, 2505945, 3007134, 3341260, 5011890, 6014268, 7517835, 10023780, 15035670, 30071340]

約数ペア:

[(1, 30071340), (2, 15035670), (3, 10023780), (4, 7517835), (5, 6014268), (6, 5011890), (9, 3341260), (10, 3007134), (12, 2505945), (13, 2313180), (15, 2004756), (18, 1670630), (20, 1503567), (26, 1156590), (30, 1002378), (36, 835315), (39, 771060), (45, 668252), (52, 578295), (60, 501189), (65, 462636), (71, 423540), (78, 385530), (90, 334126), (117, 257020), (130, 231318), (142, 211770), (156, 192765), (180, 167063), (181, 166140), (195, 154212), (213, 141180), (234, 128510), (260, 115659), (284, 105885), (355, 84708), (362, 83070), (390, 77106), (426, 70590), (468, 64255), (543, 55380), (585, 51404), (639, 47060), (710, 42354), (724, 41535), (780, 38553), (852, 35295), (905, 33228), (923, 32580), (1065, 28236), (1086, 27690), (1170, 25702), (1278, 23530), (1420, 21177), (1629, 18460), (1810, 16614), (1846, 16290), (2130, 14118), (2172, 13845), (2340, 12851), (2353, 12780), (2556, 11765), (2715, 11076), (2769, 10860), (3195, 9412), (3258, 9230), (3620, 8307), (3692, 8145), (4260, 7059), (4615, 6516), (4706, 6390), (5430, 5538)]