2011717720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{829}}^1$

素因数の和:993

約数の個数: 128

約数和(自身を含む): 4972032000

約数和(自身を除く): 2960314280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 103, 124, 152, 155, 190, 206, 248, 310, 380, 412, 515, 589, 620, 760, 824, 829, 1030, 1178, 1240, 1658, 1957, 2060, 2356, 2945, 3193, 3316, 3914, 4120, 4145, 4712, 5890, 6386, 6632, 7828, 8290, 9785, 11780, 12772, 15656, 15751, 15965, 16580, 19570, 23560, 25544, 25699, 31502, 31930, 33160, 39140, 51398, 60667, 63004, 63860, 78280, 78755, 85387, 102796, 121334, 126008, 127720, 128495, 157510, 170774, 205592, 242668, 256990, 303335, 315020, 341548, 426935, 485336, 488281, 513980, 606670, 630040, 683096, 853870, 976562, 1027960, 1213340, 1622353, 1707740, 1953124, 2426680, 2441405, 2646997, 3244706, 3415480, 3906248, 4882810, 5293994, 6489412, 8111765, 9765620, 10587988, 12978824, 13234985, 16223530, 19531240, 21175976, 26469970, 32447060, 50292943, 52939940, 64894120, 100585886, 105879880, 201171772, 251464715, 402343544, 502929430, 1005858860, 2011717720]

約数ペア:

[(1, 2011717720), (2, 1005858860), (4, 502929430), (5, 402343544), (8, 251464715), (10, 201171772), (19, 105879880), (20, 100585886), (31, 64894120), (38, 52939940), (40, 50292943), (62, 32447060), (76, 26469970), (95, 21175976), (103, 19531240), (124, 16223530), (152, 13234985), (155, 12978824), (190, 10587988), (206, 9765620), (248, 8111765), (310, 6489412), (380, 5293994), (412, 4882810), (515, 3906248), (589, 3415480), (620, 3244706), (760, 2646997), (824, 2441405), (829, 2426680), (1030, 1953124), (1178, 1707740), (1240, 1622353), (1658, 1213340), (1957, 1027960), (2060, 976562), (2356, 853870), (2945, 683096), (3193, 630040), (3316, 606670), (3914, 513980), (4120, 488281), (4145, 485336), (4712, 426935), (5890, 341548), (6386, 315020), (6632, 303335), (7828, 256990), (8290, 242668), (9785, 205592), (11780, 170774), (12772, 157510), (15656, 128495), (15751, 127720), (15965, 126008), (16580, 121334), (19570, 102796), (23560, 85387), (25544, 78755), (25699, 78280), (31502, 63860), (31930, 63004), (33160, 60667), (39140, 51398)]