80472420

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:435

約数の個数: 192

約数和(自身を含む): 291648000

約数和(自身を除く): 211175580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 61, 63, 70, 84, 90, 105, 108, 122, 126, 135, 140, 180, 183, 189, 210, 244, 252, 270, 305, 315, 349, 366, 378, 420, 427, 540, 549, 610, 630, 698, 732, 756, 854, 915, 945, 1047, 1098, 1220, 1260, 1281, 1396, 1647, 1708, 1745, 1830, 1890, 2094, 2135, 2196, 2443, 2562, 2745, 3141, 3294, 3490, 3660, 3780, 3843, 4188, 4270, 4886, 5124, 5235, 5490, 6282, 6405, 6588, 6980, 7329, 7686, 8235, 8540, 9423, 9772, 10470, 10980, 11529, 12215, 12564, 12810, 14658, 15372, 15705, 16470, 18846, 19215, 20940, 21289, 21987, 23058, 24430, 25620, 29316, 31410, 32940, 36645, 37692, 38430, 42578, 43974, 46116, 47115, 48860, 57645, 62820, 63867, 65961, 73290, 76860, 85156, 87948, 94230, 106445, 109935, 115290, 127734, 131922, 146580, 149023, 188460, 191601, 212890, 219870, 230580, 255468, 263844, 298046, 319335, 329805, 383202, 425780, 439740, 447069, 574803, 596092, 638670, 659610, 745115, 766404, 894138, 958005, 1149606, 1277340, 1319220, 1341207, 1490230, 1788276, 1916010, 2235345, 2299212, 2682414, 2874015, 2980460, 3832020, 4023621, 4470690, 5364828, 5748030, 6706035, 8047242, 8941380, 11496060, 13412070, 16094484, 20118105, 26824140, 40236210, 80472420]

約数ペア:

[(1, 80472420), (2, 40236210), (3, 26824140), (4, 20118105), (5, 16094484), (6, 13412070), (7, 11496060), (9, 8941380), (10, 8047242), (12, 6706035), (14, 5748030), (15, 5364828), (18, 4470690), (20, 4023621), (21, 3832020), (27, 2980460), (28, 2874015), (30, 2682414), (35, 2299212), (36, 2235345), (42, 1916010), (45, 1788276), (54, 1490230), (60, 1341207), (61, 1319220), (63, 1277340), (70, 1149606), (84, 958005), (90, 894138), (105, 766404), (108, 745115), (122, 659610), (126, 638670), (135, 596092), (140, 574803), (180, 447069), (183, 439740), (189, 425780), (210, 383202), (244, 329805), (252, 319335), (270, 298046), (305, 263844), (315, 255468), (349, 230580), (366, 219870), (378, 212890), (420, 191601), (427, 188460), (540, 149023), (549, 146580), (610, 131922), (630, 127734), (698, 115290), (732, 109935), (756, 106445), (854, 94230), (915, 87948), (945, 85156), (1047, 76860), (1098, 73290), (1220, 65961), (1260, 63867), (1281, 62820), (1396, 57645), (1647, 48860), (1708, 47115), (1745, 46116), (1830, 43974), (1890, 42578), (2094, 38430), (2135, 37692), (2196, 36645), (2443, 32940), (2562, 31410), (2745, 29316), (3141, 25620), (3294, 24430), (3490, 23058), (3660, 21987), (3780, 21289), (3843, 20940), (4188, 19215), (4270, 18846), (4886, 16470), (5124, 15705), (5235, 15372), (5490, 14658), (6282, 12810), (6405, 12564), (6588, 12215), (6980, 11529), (7329, 10980), (7686, 10470), (8235, 9772), (8540, 9423)]