123512820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^3\times {\mathrm{419}}^1$

素因数の和:482

約数の個数: 96

約数和(自身を含む): 368323200

約数和(自身を除く): 244810380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 289, 340, 419, 510, 578, 838, 867, 1020, 1156, 1257, 1445, 1676, 1734, 2095, 2514, 2890, 3468, 4190, 4335, 4913, 5028, 5780, 6285, 7123, 8380, 8670, 9826, 12570, 14246, 14739, 17340, 19652, 21369, 24565, 25140, 28492, 29478, 35615, 42738, 49130, 58956, 71230, 73695, 85476, 98260, 106845, 121091, 142460, 147390, 213690, 242182, 294780, 363273, 427380, 484364, 605455, 726546, 1210910, 1453092, 1816365, 2058547, 2421820, 3632730, 4117094, 6175641, 7265460, 8234188, 10292735, 12351282, 20585470, 24702564, 30878205, 41170940, 61756410, 123512820]

約数ペア:

[(1, 123512820), (2, 61756410), (3, 41170940), (4, 30878205), (5, 24702564), (6, 20585470), (10, 12351282), (12, 10292735), (15, 8234188), (17, 7265460), (20, 6175641), (30, 4117094), (34, 3632730), (51, 2421820), (60, 2058547), (68, 1816365), (85, 1453092), (102, 1210910), (170, 726546), (204, 605455), (255, 484364), (289, 427380), (340, 363273), (419, 294780), (510, 242182), (578, 213690), (838, 147390), (867, 142460), (1020, 121091), (1156, 106845), (1257, 98260), (1445, 85476), (1676, 73695), (1734, 71230), (2095, 58956), (2514, 49130), (2890, 42738), (3468, 35615), (4190, 29478), (4335, 28492), (4913, 25140), (5028, 24565), (5780, 21369), (6285, 19652), (7123, 17340), (8380, 14739), (8670, 14246), (9826, 12570)]