641348040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{2731}}^1$

素因数の和:2867

約数の個数: 128

約数和(自身を含む): 2045721600

約数和(自身を除く): 1404373560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 103, 114, 120, 152, 190, 206, 228, 285, 309, 380, 412, 456, 515, 570, 618, 760, 824, 1030, 1140, 1236, 1545, 1957, 2060, 2280, 2472, 2731, 3090, 3914, 4120, 5462, 5871, 6180, 7828, 8193, 9785, 10924, 11742, 12360, 13655, 15656, 16386, 19570, 21848, 23484, 27310, 29355, 32772, 39140, 40965, 46968, 51889, 54620, 58710, 65544, 78280, 81930, 103778, 109240, 117420, 155667, 163860, 207556, 234840, 259445, 281293, 311334, 327720, 415112, 518890, 562586, 622668, 778335, 843879, 1037780, 1125172, 1245336, 1406465, 1556670, 1687758, 2075560, 2250344, 2812930, 3113340, 3375516, 4219395, 5344567, 5625860, 6226680, 6751032, 8438790, 10689134, 11251720, 16033701, 16877580, 21378268, 26722835, 32067402, 33755160, 42756536, 53445670, 64134804, 80168505, 106891340, 128269608, 160337010, 213782680, 320674020, 641348040]

約数ペア:

[(1, 641348040), (2, 320674020), (3, 213782680), (4, 160337010), (5, 128269608), (6, 106891340), (8, 80168505), (10, 64134804), (12, 53445670), (15, 42756536), (19, 33755160), (20, 32067402), (24, 26722835), (30, 21378268), (38, 16877580), (40, 16033701), (57, 11251720), (60, 10689134), (76, 8438790), (95, 6751032), (103, 6226680), (114, 5625860), (120, 5344567), (152, 4219395), (190, 3375516), (206, 3113340), (228, 2812930), (285, 2250344), (309, 2075560), (380, 1687758), (412, 1556670), (456, 1406465), (515, 1245336), (570, 1125172), (618, 1037780), (760, 843879), (824, 778335), (1030, 622668), (1140, 562586), (1236, 518890), (1545, 415112), (1957, 327720), (2060, 311334), (2280, 281293), (2472, 259445), (2731, 234840), (3090, 207556), (3914, 163860), (4120, 155667), (5462, 117420), (5871, 109240), (6180, 103778), (7828, 81930), (8193, 78280), (9785, 65544), (10924, 58710), (11742, 54620), (12360, 51889), (13655, 46968), (15656, 40965), (16386, 39140), (19570, 32772), (21848, 29355), (23484, 27310)]