310648520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2753}}^1$

素因数の和:2815

約数の個数: 128

約数和(自身を含む): 888330240

約数和(自身を除く): 577681720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1612, 1736, 1820, 2015, 2170, 2753, 2821, 3224, 3640, 4030, 4340, 5506, 5642, 8060, 8680, 11012, 11284, 13765, 14105, 16120, 19271, 22024, 22568, 27530, 28210, 35789, 38542, 55060, 56420, 71578, 77084, 85343, 96355, 110120, 112840, 143156, 154168, 170686, 178945, 192710, 250523, 286312, 341372, 357890, 385420, 426715, 501046, 597401, 682744, 715780, 770840, 853430, 1002092, 1109459, 1194802, 1252615, 1431560, 1706860, 2004184, 2218918, 2389604, 2505230, 2987005, 3413720, 4437836, 4779208, 5010460, 5547295, 5974010, 7766213, 8875672, 10020920, 11094590, 11948020, 15532426, 22189180, 23896040, 31064852, 38831065, 44378360, 62129704, 77662130, 155324260, 310648520]

約数ペア:

[(1, 310648520), (2, 155324260), (4, 77662130), (5, 62129704), (7, 44378360), (8, 38831065), (10, 31064852), (13, 23896040), (14, 22189180), (20, 15532426), (26, 11948020), (28, 11094590), (31, 10020920), (35, 8875672), (40, 7766213), (52, 5974010), (56, 5547295), (62, 5010460), (65, 4779208), (70, 4437836), (91, 3413720), (104, 2987005), (124, 2505230), (130, 2389604), (140, 2218918), (155, 2004184), (182, 1706860), (217, 1431560), (248, 1252615), (260, 1194802), (280, 1109459), (310, 1002092), (364, 853430), (403, 770840), (434, 715780), (455, 682744), (520, 597401), (620, 501046), (728, 426715), (806, 385420), (868, 357890), (910, 341372), (1085, 286312), (1240, 250523), (1612, 192710), (1736, 178945), (1820, 170686), (2015, 154168), (2170, 143156), (2753, 112840), (2821, 110120), (3224, 96355), (3640, 85343), (4030, 77084), (4340, 71578), (5506, 56420), (5642, 55060), (8060, 38542), (8680, 35789), (11012, 28210), (11284, 27530), (13765, 22568), (14105, 22024), (16120, 19271)]