245233560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:530

約数の個数: 256

約数和(自身を含む): 894136320

約数和(自身を除く): 648902760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 31, 33, 39, 40, 44, 52, 55, 60, 62, 65, 66, 78, 88, 93, 104, 110, 120, 124, 130, 132, 143, 155, 156, 165, 186, 195, 220, 248, 260, 264, 286, 310, 312, 330, 341, 372, 390, 403, 429, 440, 461, 465, 520, 572, 620, 660, 682, 715, 744, 780, 806, 858, 922, 930, 1023, 1144, 1209, 1240, 1320, 1364, 1383, 1430, 1560, 1612, 1705, 1716, 1844, 1860, 2015, 2046, 2145, 2305, 2418, 2728, 2766, 2860, 3224, 3410, 3432, 3688, 3720, 4030, 4092, 4290, 4433, 4610, 4836, 5071, 5115, 5532, 5720, 5993, 6045, 6820, 6915, 8060, 8184, 8580, 8866, 9220, 9672, 10142, 10230, 11064, 11986, 12090, 13299, 13640, 13830, 14291, 15213, 16120, 17160, 17732, 17979, 18440, 20284, 20460, 22165, 23972, 24180, 25355, 26598, 27660, 28582, 29965, 30426, 35464, 35958, 40568, 40920, 42873, 44330, 47944, 48360, 50710, 53196, 55320, 57164, 59930, 60852, 65923, 66495, 71455, 71916, 76065, 85746, 88660, 89895, 101420, 106392, 114328, 119860, 121704, 131846, 132990, 142910, 143832, 152130, 157201, 171492, 177320, 179790, 185783, 197769, 202840, 214365, 239720, 263692, 265980, 285820, 304260, 314402, 329615, 342984, 359580, 371566, 395538, 428730, 471603, 527384, 531960, 557349, 571640, 608520, 628804, 659230, 719160, 743132, 786005, 791076, 857460, 928915, 943206, 988845, 1114698, 1257608, 1318460, 1486264, 1572010, 1582152, 1714920, 1857830, 1886412, 1977690, 2043613, 2229396, 2358015, 2636920, 2786745, 3144020, 3715660, 3772824, 3955380, 4087226, 4458792, 4716030, 5573490, 6130839, 6288040, 7431320, 7910760, 8174452, 9432060, 10218065, 11146980, 12261678, 16348904, 18864120, 20436130, 22293960, 24523356, 30654195, 40872260, 49046712, 61308390, 81744520, 122616780, 245233560]

約数ペア:

[(1, 245233560), (2, 122616780), (3, 81744520), (4, 61308390), (5, 49046712), (6, 40872260), (8, 30654195), (10, 24523356), (11, 22293960), (12, 20436130), (13, 18864120), (15, 16348904), (20, 12261678), (22, 11146980), (24, 10218065), (26, 9432060), (30, 8174452), (31, 7910760), (33, 7431320), (39, 6288040), (40, 6130839), (44, 5573490), (52, 4716030), (55, 4458792), (60, 4087226), (62, 3955380), (65, 3772824), (66, 3715660), (78, 3144020), (88, 2786745), (93, 2636920), (104, 2358015), (110, 2229396), (120, 2043613), (124, 1977690), (130, 1886412), (132, 1857830), (143, 1714920), (155, 1582152), (156, 1572010), (165, 1486264), (186, 1318460), (195, 1257608), (220, 1114698), (248, 988845), (260, 943206), (264, 928915), (286, 857460), (310, 791076), (312, 786005), (330, 743132), (341, 719160), (372, 659230), (390, 628804), (403, 608520), (429, 571640), (440, 557349), (461, 531960), (465, 527384), (520, 471603), (572, 428730), (620, 395538), (660, 371566), (682, 359580), (715, 342984), (744, 329615), (780, 314402), (806, 304260), (858, 285820), (922, 265980), (930, 263692), (1023, 239720), (1144, 214365), (1209, 202840), (1240, 197769), (1320, 185783), (1364, 179790), (1383, 177320), (1430, 171492), (1560, 157201), (1612, 152130), (1705, 143832), (1716, 142910), (1844, 132990), (1860, 131846), (2015, 121704), (2046, 119860), (2145, 114328), (2305, 106392), (2418, 101420), (2728, 89895), (2766, 88660), (2860, 85746), (3224, 76065), (3410, 71916), (3432, 71455), (3688, 66495), (3720, 65923), (4030, 60852), (4092, 59930), (4290, 57164), (4433, 55320), (4610, 53196), (4836, 50710), (5071, 48360), (5115, 47944), (5532, 44330), (5720, 42873), (5993, 40920), (6045, 40568), (6820, 35958), (6915, 35464), (8060, 30426), (8184, 29965), (8580, 28582), (8866, 27660), (9220, 26598), (9672, 25355), (10142, 24180), (10230, 23972), (11064, 22165), (11986, 20460), (12090, 20284), (13299, 18440), (13640, 17979), (13830, 17732), (14291, 17160), (15213, 16120)]