8642340

素因数分解:

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

素因数の和:79

約数の個数: 144

約数和(自身を含む): 31624320

約数和(自身を除く): 22981980

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, 532, 570, 630, 665, 684, 722, 798, 855, 1083, 1140, 1197, 1260, 1330, 1444, 1596, 1710, 1805, 1995, 2166, 2394, 2527, 2660, 3249, 3420, 3610, 3990, 4332, 4788, 5054, 5415, 5985, 6498, 6859, 7220, 7581, 7980, 10108, 10830, 11970, 12635, 12996, 13718, 15162, 16245, 20577, 21660, 22743, 23940, 25270, 27436, 30324, 32490, 34295, 37905, 41154, 45486, 48013, 50540, 61731, 64980, 68590, 75810, 82308, 90972, 96026, 102885, 113715, 123462, 137180, 144039, 151620, 192052, 205770, 227430, 240065, 246924, 288078, 308655, 411540, 432117, 454860, 480130, 576156, 617310, 720195, 864234, 960260, 1234620, 1440390, 1728468, 2160585, 2880780, 4321170, 8642340]

約数ペア:

[(1, 8642340), (2, 4321170), (3, 2880780), (4, 2160585), (5, 1728468), (6, 1440390), (7, 1234620), (9, 960260), (10, 864234), (12, 720195), (14, 617310), (15, 576156), (18, 480130), (19, 454860), (20, 432117), (21, 411540), (28, 308655), (30, 288078), (35, 246924), (36, 240065), (38, 227430), (42, 205770), (45, 192052), (57, 151620), (60, 144039), (63, 137180), (70, 123462), (76, 113715), (84, 102885), (90, 96026), (95, 90972), (105, 82308), (114, 75810), (126, 68590), (133, 64980), (140, 61731), (171, 50540), (180, 48013), (190, 45486), (210, 41154), (228, 37905), (252, 34295), (266, 32490), (285, 30324), (315, 27436), (342, 25270), (361, 23940), (380, 22743), (399, 21660), (420, 20577), (532, 16245), (570, 15162), (630, 13718), (665, 12996), (684, 12635), (722, 11970), (798, 10830), (855, 10108), (1083, 7980), (1140, 7581), (1197, 7220), (1260, 6859), (1330, 6498), (1444, 5985), (1596, 5415), (1710, 5054), (1805, 4788), (1995, 4332), (2166, 3990), (2394, 3610), (2527, 3420), (2660, 3249)]