72851120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:207

約数の個数: 120

約数和(自身を含む): 189121824

約数和(自身を除く): 116270704

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 68, 80, 85, 92, 115, 136, 137, 170, 184, 230, 272, 274, 289, 340, 368, 391, 460, 548, 578, 680, 685, 782, 920, 1096, 1156, 1360, 1370, 1445, 1564, 1840, 1955, 2192, 2312, 2329, 2740, 2890, 3128, 3151, 3910, 4624, 4658, 5480, 5780, 6256, 6302, 6647, 7820, 9316, 10960, 11560, 11645, 12604, 13294, 15640, 15755, 18632, 23120, 23290, 25208, 26588, 31280, 31510, 33235, 37264, 39593, 46580, 50416, 53176, 53567, 63020, 66470, 79186, 93160, 106352, 107134, 126040, 132940, 158372, 186320, 197965, 214268, 252080, 265880, 267835, 316744, 395930, 428536, 531760, 535670, 633488, 791860, 857072, 910639, 1071340, 1583720, 1821278, 2142680, 3167440, 3642556, 4285360, 4553195, 7285112, 9106390, 14570224, 18212780, 36425560, 72851120]

約数ペア:

[(1, 72851120), (2, 36425560), (4, 18212780), (5, 14570224), (8, 9106390), (10, 7285112), (16, 4553195), (17, 4285360), (20, 3642556), (23, 3167440), (34, 2142680), (40, 1821278), (46, 1583720), (68, 1071340), (80, 910639), (85, 857072), (92, 791860), (115, 633488), (136, 535670), (137, 531760), (170, 428536), (184, 395930), (230, 316744), (272, 267835), (274, 265880), (289, 252080), (340, 214268), (368, 197965), (391, 186320), (460, 158372), (548, 132940), (578, 126040), (680, 107134), (685, 106352), (782, 93160), (920, 79186), (1096, 66470), (1156, 63020), (1360, 53567), (1370, 53176), (1445, 50416), (1564, 46580), (1840, 39593), (1955, 37264), (2192, 33235), (2312, 31510), (2329, 31280), (2740, 26588), (2890, 25208), (3128, 23290), (3151, 23120), (3910, 18632), (4624, 15755), (4658, 15640), (5480, 13294), (5780, 12604), (6256, 11645), (6302, 11560), (6647, 10960), (7820, 9316)]