210600180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{463}}^1$

素因数の和:523

約数の個数: 216

約数和(自身を含む): 772192512

約数和(自身を除く): 561592332

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 361, 380, 399, 420, 463, 532, 570, 630, 665, 684, 722, 798, 855, 926, 1083, 1140, 1197, 1260, 1330, 1389, 1444, 1596, 1710, 1805, 1852, 1995, 2166, 2315, 2394, 2527, 2660, 2778, 3241, 3249, 3420, 3610, 3990, 4167, 4332, 4630, 4788, 5054, 5415, 5556, 5985, 6482, 6498, 6945, 7220, 7581, 7980, 8334, 8797, 9260, 9723, 10108, 10830, 11970, 12635, 12964, 12996, 13890, 15162, 16205, 16245, 16668, 17594, 19446, 20835, 21660, 22743, 23940, 25270, 26391, 27780, 29169, 30324, 32410, 32490, 35188, 37905, 38892, 41670, 43985, 45486, 48615, 50540, 52782, 58338, 61579, 64820, 64980, 75810, 79173, 83340, 87970, 90972, 97230, 105564, 113715, 116676, 123158, 131955, 145845, 151620, 158346, 167143, 175940, 184737, 194460, 227430, 246316, 263910, 291690, 307895, 316692, 334286, 369474, 395865, 454860, 501429, 527820, 554211, 583380, 615790, 668572, 738948, 791730, 835715, 923685, 1002858, 1108422, 1170001, 1231580, 1504287, 1583460, 1671430, 1847370, 2005716, 2216844, 2340002, 2507145, 2771055, 3008574, 3342860, 3510003, 3694740, 4680004, 5014290, 5542110, 5850005, 6017148, 7020006, 7521435, 10028580, 10530009, 11084220, 11700010, 14040012, 15042870, 17550015, 21060018, 23400020, 30085740, 35100030, 42120036, 52650045, 70200060, 105300090, 210600180]

約数ペア:

[(1, 210600180), (2, 105300090), (3, 70200060), (4, 52650045), (5, 42120036), (6, 35100030), (7, 30085740), (9, 23400020), (10, 21060018), (12, 17550015), (14, 15042870), (15, 14040012), (18, 11700010), (19, 11084220), (20, 10530009), (21, 10028580), (28, 7521435), (30, 7020006), (35, 6017148), (36, 5850005), (38, 5542110), (42, 5014290), (45, 4680004), (57, 3694740), (60, 3510003), (63, 3342860), (70, 3008574), (76, 2771055), (84, 2507145), (90, 2340002), (95, 2216844), (105, 2005716), (114, 1847370), (126, 1671430), (133, 1583460), (140, 1504287), (171, 1231580), (180, 1170001), (190, 1108422), (210, 1002858), (228, 923685), (252, 835715), (266, 791730), (285, 738948), (315, 668572), (342, 615790), (361, 583380), (380, 554211), (399, 527820), (420, 501429), (463, 454860), (532, 395865), (570, 369474), (630, 334286), (665, 316692), (684, 307895), (722, 291690), (798, 263910), (855, 246316), (926, 227430), (1083, 194460), (1140, 184737), (1197, 175940), (1260, 167143), (1330, 158346), (1389, 151620), (1444, 145845), (1596, 131955), (1710, 123158), (1805, 116676), (1852, 113715), (1995, 105564), (2166, 97230), (2315, 90972), (2394, 87970), (2527, 83340), (2660, 79173), (2778, 75810), (3241, 64980), (3249, 64820), (3420, 61579), (3610, 58338), (3990, 52782), (4167, 50540), (4332, 48615), (4630, 45486), (4788, 43985), (5054, 41670), (5415, 38892), (5556, 37905), (5985, 35188), (6482, 32490), (6498, 32410), (6945, 30324), (7220, 29169), (7581, 27780), (7980, 26391), (8334, 25270), (8797, 23940), (9260, 22743), (9723, 21660), (10108, 20835), (10830, 19446), (11970, 17594), (12635, 16668), (12964, 16245), (12996, 16205), (13890, 15162)]