30918420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:282

約数の個数: 144

約数和(自身を含む): 102949392

約数和(自身を除く): 72030972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 73, 78, 90, 117, 130, 146, 156, 180, 181, 195, 219, 234, 260, 292, 362, 365, 390, 438, 468, 543, 585, 657, 724, 730, 780, 876, 905, 949, 1086, 1095, 1170, 1314, 1460, 1629, 1810, 1898, 2172, 2190, 2340, 2353, 2628, 2715, 2847, 3258, 3285, 3620, 3796, 4380, 4706, 4745, 5430, 5694, 6516, 6570, 7059, 8145, 8541, 9412, 9490, 10860, 11388, 11765, 13140, 13213, 14118, 14235, 16290, 17082, 18980, 21177, 23530, 26426, 28236, 28470, 32580, 34164, 35295, 39639, 42354, 42705, 47060, 52852, 56940, 66065, 70590, 79278, 84708, 85410, 105885, 118917, 132130, 141180, 158556, 170820, 171769, 198195, 211770, 237834, 264260, 343538, 396390, 423540, 475668, 515307, 594585, 687076, 792780, 858845, 1030614, 1189170, 1545921, 1717690, 2061228, 2378340, 2576535, 3091842, 3435380, 5153070, 6183684, 7729605, 10306140, 15459210, 30918420]

約数ペア:

[(1, 30918420), (2, 15459210), (3, 10306140), (4, 7729605), (5, 6183684), (6, 5153070), (9, 3435380), (10, 3091842), (12, 2576535), (13, 2378340), (15, 2061228), (18, 1717690), (20, 1545921), (26, 1189170), (30, 1030614), (36, 858845), (39, 792780), (45, 687076), (52, 594585), (60, 515307), (65, 475668), (73, 423540), (78, 396390), (90, 343538), (117, 264260), (130, 237834), (146, 211770), (156, 198195), (180, 171769), (181, 170820), (195, 158556), (219, 141180), (234, 132130), (260, 118917), (292, 105885), (362, 85410), (365, 84708), (390, 79278), (438, 70590), (468, 66065), (543, 56940), (585, 52852), (657, 47060), (724, 42705), (730, 42354), (780, 39639), (876, 35295), (905, 34164), (949, 32580), (1086, 28470), (1095, 28236), (1170, 26426), (1314, 23530), (1460, 21177), (1629, 18980), (1810, 17082), (1898, 16290), (2172, 14235), (2190, 14118), (2340, 13213), (2353, 13140), (2628, 11765), (2715, 11388), (2847, 10860), (3258, 9490), (3285, 9412), (3620, 8541), (3796, 8145), (4380, 7059), (4706, 6570), (4745, 6516), (5430, 5694)]