628474860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{641}}^1$

素因数の和:1088

約数の個数: 144

約数和(自身を含む): 2061128160

約数和(自身を除く): 1432653300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 419, 468, 585, 641, 780, 838, 1170, 1257, 1282, 1676, 1923, 2095, 2340, 2514, 2564, 3205, 3771, 3846, 4190, 5028, 5447, 5769, 6285, 6410, 7542, 7692, 8333, 8380, 9615, 10894, 11538, 12570, 12820, 15084, 16341, 16666, 18855, 19230, 21788, 23076, 24999, 25140, 27235, 28845, 32682, 33332, 37710, 38460, 41665, 49023, 49998, 54470, 57690, 65364, 74997, 75420, 81705, 83330, 98046, 99996, 108940, 115380, 124995, 149994, 163410, 166660, 196092, 245115, 249990, 268579, 299988, 326820, 374985, 490230, 499980, 537158, 749970, 805737, 980460, 1074316, 1342895, 1499940, 1611474, 2417211, 2685790, 3222948, 3491527, 4028685, 4834422, 5371580, 6983054, 8057370, 9668844, 10474581, 12086055, 13966108, 16114740, 17457635, 20949162, 24172110, 31423743, 34915270, 41898324, 48344220, 52372905, 62847486, 69830540, 104745810, 125694972, 157118715, 209491620, 314237430, 628474860]

約数ペア:

[(1, 628474860), (2, 314237430), (3, 209491620), (4, 157118715), (5, 125694972), (6, 104745810), (9, 69830540), (10, 62847486), (12, 52372905), (13, 48344220), (15, 41898324), (18, 34915270), (20, 31423743), (26, 24172110), (30, 20949162), (36, 17457635), (39, 16114740), (45, 13966108), (52, 12086055), (60, 10474581), (65, 9668844), (78, 8057370), (90, 6983054), (117, 5371580), (130, 4834422), (156, 4028685), (180, 3491527), (195, 3222948), (234, 2685790), (260, 2417211), (390, 1611474), (419, 1499940), (468, 1342895), (585, 1074316), (641, 980460), (780, 805737), (838, 749970), (1170, 537158), (1257, 499980), (1282, 490230), (1676, 374985), (1923, 326820), (2095, 299988), (2340, 268579), (2514, 249990), (2564, 245115), (3205, 196092), (3771, 166660), (3846, 163410), (4190, 149994), (5028, 124995), (5447, 115380), (5769, 108940), (6285, 99996), (6410, 98046), (7542, 83330), (7692, 81705), (8333, 75420), (8380, 74997), (9615, 65364), (10894, 57690), (11538, 54470), (12570, 49998), (12820, 49023), (15084, 41665), (16341, 38460), (16666, 37710), (18855, 33332), (19230, 32682), (21788, 28845), (23076, 27235), (24999, 25140)]