321007440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{751}}^1$

素因数の和:917

約数の個数: 160

約数和(自身を含む): 1080930816

約数和(自身を除く): 759923376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 137, 156, 195, 208, 240, 260, 274, 312, 390, 411, 520, 548, 624, 685, 751, 780, 822, 1040, 1096, 1370, 1502, 1560, 1644, 1781, 2055, 2192, 2253, 2740, 3004, 3120, 3288, 3562, 3755, 4110, 4506, 5343, 5480, 6008, 6576, 7124, 7510, 8220, 8905, 9012, 9763, 10686, 10960, 11265, 12016, 14248, 15020, 16440, 17810, 18024, 19526, 21372, 22530, 26715, 28496, 29289, 30040, 32880, 35620, 36048, 39052, 42744, 45060, 48815, 53430, 58578, 60080, 71240, 78104, 85488, 90120, 97630, 102887, 106860, 117156, 142480, 146445, 156208, 180240, 195260, 205774, 213720, 234312, 292890, 308661, 390520, 411548, 427440, 468624, 514435, 585780, 617322, 781040, 823096, 1028870, 1171560, 1234644, 1337531, 1543305, 1646192, 2057740, 2343120, 2469288, 2675062, 3086610, 4012593, 4115480, 4938576, 5350124, 6173220, 6687655, 8025186, 8230960, 10700248, 12346440, 13375310, 16050372, 20062965, 21400496, 24692880, 26750620, 32100744, 40125930, 53501240, 64201488, 80251860, 107002480, 160503720, 321007440]

約数ペア:

[(1, 321007440), (2, 160503720), (3, 107002480), (4, 80251860), (5, 64201488), (6, 53501240), (8, 40125930), (10, 32100744), (12, 26750620), (13, 24692880), (15, 21400496), (16, 20062965), (20, 16050372), (24, 13375310), (26, 12346440), (30, 10700248), (39, 8230960), (40, 8025186), (48, 6687655), (52, 6173220), (60, 5350124), (65, 4938576), (78, 4115480), (80, 4012593), (104, 3086610), (120, 2675062), (130, 2469288), (137, 2343120), (156, 2057740), (195, 1646192), (208, 1543305), (240, 1337531), (260, 1234644), (274, 1171560), (312, 1028870), (390, 823096), (411, 781040), (520, 617322), (548, 585780), (624, 514435), (685, 468624), (751, 427440), (780, 411548), (822, 390520), (1040, 308661), (1096, 292890), (1370, 234312), (1502, 213720), (1560, 205774), (1644, 195260), (1781, 180240), (2055, 156208), (2192, 146445), (2253, 142480), (2740, 117156), (3004, 106860), (3120, 102887), (3288, 97630), (3562, 90120), (3755, 85488), (4110, 78104), (4506, 71240), (5343, 60080), (5480, 58578), (6008, 53430), (6576, 48815), (7124, 45060), (7510, 42744), (8220, 39052), (8905, 36048), (9012, 35620), (9763, 32880), (10686, 30040), (10960, 29289), (11265, 28496), (12016, 26715), (14248, 22530), (15020, 21372), (16440, 19526), (17810, 18024)]