89878740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1609}}^1$

素因数の和:1654

約数の個数: 144

約数和(自身を含む): 308347200

約数和(自身を除く): 218468460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 1140, 1330, 1470, 1596, 1609, 1862, 1995, 2660, 2793, 2940, 3218, 3724, 3990, 4655, 4827, 5586, 6436, 7980, 8045, 9310, 9654, 11172, 11263, 13965, 16090, 18620, 19308, 22526, 24135, 27930, 30571, 32180, 33789, 45052, 48270, 55860, 56315, 61142, 67578, 78841, 91713, 96540, 112630, 122284, 135156, 152855, 157682, 168945, 183426, 213997, 225260, 236523, 305710, 315364, 337890, 366852, 394205, 427994, 458565, 473046, 611420, 641991, 675780, 788410, 855988, 917130, 946092, 1069985, 1182615, 1283982, 1497979, 1576820, 1834260, 2139970, 2365230, 2567964, 2995958, 3209955, 4279940, 4493937, 4730460, 5991916, 6419910, 7489895, 8987874, 12839820, 14979790, 17975748, 22469685, 29959580, 44939370, 89878740]

約数ペア:

[(1, 89878740), (2, 44939370), (3, 29959580), (4, 22469685), (5, 17975748), (6, 14979790), (7, 12839820), (10, 8987874), (12, 7489895), (14, 6419910), (15, 5991916), (19, 4730460), (20, 4493937), (21, 4279940), (28, 3209955), (30, 2995958), (35, 2567964), (38, 2365230), (42, 2139970), (49, 1834260), (57, 1576820), (60, 1497979), (70, 1283982), (76, 1182615), (84, 1069985), (95, 946092), (98, 917130), (105, 855988), (114, 788410), (133, 675780), (140, 641991), (147, 611420), (190, 473046), (196, 458565), (210, 427994), (228, 394205), (245, 366852), (266, 337890), (285, 315364), (294, 305710), (380, 236523), (399, 225260), (420, 213997), (490, 183426), (532, 168945), (570, 157682), (588, 152855), (665, 135156), (735, 122284), (798, 112630), (931, 96540), (980, 91713), (1140, 78841), (1330, 67578), (1470, 61142), (1596, 56315), (1609, 55860), (1862, 48270), (1995, 45052), (2660, 33789), (2793, 32180), (2940, 30571), (3218, 27930), (3724, 24135), (3990, 22526), (4655, 19308), (4827, 18620), (5586, 16090), (6436, 13965), (7980, 11263), (8045, 11172), (9310, 9654)]