72108420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1471}}^1$

素因数の和:1545

約数の個数: 96

約数和(自身を含む): 217620480

約数和(自身を除く): 145512060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 43, 57, 60, 76, 86, 95, 114, 129, 172, 190, 215, 228, 258, 285, 380, 430, 516, 570, 645, 817, 860, 1140, 1290, 1471, 1634, 2451, 2580, 2942, 3268, 4085, 4413, 4902, 5884, 7355, 8170, 8826, 9804, 12255, 14710, 16340, 17652, 22065, 24510, 27949, 29420, 44130, 49020, 55898, 63253, 83847, 88260, 111796, 126506, 139745, 167694, 189759, 253012, 279490, 316265, 335388, 379518, 419235, 558980, 632530, 759036, 838470, 948795, 1201807, 1265060, 1676940, 1897590, 2403614, 3605421, 3795180, 4807228, 6009035, 7210842, 12018070, 14421684, 18027105, 24036140, 36054210, 72108420]

約数ペア:

[(1, 72108420), (2, 36054210), (3, 24036140), (4, 18027105), (5, 14421684), (6, 12018070), (10, 7210842), (12, 6009035), (15, 4807228), (19, 3795180), (20, 3605421), (30, 2403614), (38, 1897590), (43, 1676940), (57, 1265060), (60, 1201807), (76, 948795), (86, 838470), (95, 759036), (114, 632530), (129, 558980), (172, 419235), (190, 379518), (215, 335388), (228, 316265), (258, 279490), (285, 253012), (380, 189759), (430, 167694), (516, 139745), (570, 126506), (645, 111796), (817, 88260), (860, 83847), (1140, 63253), (1290, 55898), (1471, 49020), (1634, 44130), (2451, 29420), (2580, 27949), (2942, 24510), (3268, 22065), (4085, 17652), (4413, 16340), (4902, 14710), (5884, 12255), (7355, 9804), (8170, 8826)]